米得林卡因

In 1996,56 volunteers took part in a study to test a new pain killer called Trivaricaine. 1996年,56个志愿者参加了一项研究,测试一种名叫Trivaricaine的止痛药。 On each subject, one index finger was covered in the new painkille

发表于:2019-01-17 / 阅读(119) / 评论(0) 分类 TED演讲教育篇
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